CBSE Class 10 Answered

Various steps for reducing air pollution resulting from vehicles includes:

4-wheeled petrol driven vehicles are fitted with Catalytic Convertors to reduce exhaust pollution levels significantly.

People need to buy vehicles with low NO_x emissions, and properly maintain the vehicle

Mass emission norms for new vehicles were introduced in various parts of the world and these norms were progressively made stringent. For example in Delhi, non-commercial vehicles (Cars) complying with Bharat Stage II/Euro-II emission norms are only being registered.

 The quality of the fuel being supplied in different parts of the world has improved by way of :-

•  Introduction of Unleaded petrol and subsquent phasing out of leaded petrol
• Introduction of Low Sulphur diesel reducing the Sulphur content
•  The quality of petrol being has been improved further by reduction of Sulphur content & Benzene Content